package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @作者：ldk
 * @email 2505496685@qq.com
 * @描述：默认描述
 * @创建时间：22:33 2020-12-04
 * @修改时间：22:33 2020-12-04
 * @修改描述：默认描述
 */
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;


    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();

        model.addAttribute("orderConfirmData",confirmVo);
        System.out.println(confirmVo.toString());
        return "confirm";
    }

    /**
     * 下单功能
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo,
                              Model model,
                              RedirectAttributes redirectAttributes){
        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            //下单失败回到订单确认页重新确认订单信息
            System.out.println("订单提交的数据："+vo);
            if(responseVo.getCode() == 0){
                //下单成功来到支付选择页
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            }else {
                String msg = "下单失败：";
                switch (responseVo.getCode()){
                    case 1: msg+="订单信息过期，请刷新再次提交！";break;
                    case 2: msg+="订单商品价格发生变化，请确认后再次提交！";break;
                    case 3: msg+="库存锁定失败，商品库存不足！";break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (Exception e){
            if (e instanceof NoStockException){
                String message = ((NoStockException)e).getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }



}
